CVE-2025-71150 - CVE House
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Status published Unknown CVE-2025-71150

ksmbd: Fix refcount leak when invalid session is found on session lookup

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix refcount leak when invalid session is found on session lookup When a session is found but its state is not SMB2_SESSION_VALID, It indicates that no valid session was found, but it is missing to decrement the reference count acquired by the session lookup, which results in a reference count leak. This patch fixes the issue by explicitly calling ksmbd_user_session_put to release the reference to the session.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
2107ab40629aeabbec369cf34b8cf0f288c3eb1b, 37a0e2b362b3150317fb6e2139de67b1e29ae5ff, 450a844c045ff0895d41b05a1cbe8febd1acfcfd, a39e31e22a535d47b14656a7d6a893c7f6cf758c, b95629435b84b9ecc0c765995204a4d8a913ed52, 5.15.176, 6.1.121, 6.6.67, 6.12.6, 6.13, 0, 5.15.203, 6.1.160, 6.6.120, 6.12.64, 6.18.3, 6.19

Timeline

Official Publish: January 23rd, 2026
Last Modified: May 23rd, 2026
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.